A fatal skin cancer which begins with the growth of a mole is called:

A round, thickened patch of epidermis due to pressure or friction in which the thickening grows inward is called a:

The common name for keratoma is:

People with vitiligo must be protected from:

Darkening of the skin caused by exposure to the ultraviolet rays of the sun is called a:

The proper name for liver spots is:

The congenital absence of melanin pigment in the body is called:

Ringworm of the hand is highly contagious and caused by a:

The common name for tinea pedis is:

Severe dandruff is an example of: